Month: June 2019

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Laptop battery usage time

The battery of a laptop can generally be used for 3-5 hours. Laptop battery maintenance and maintenance: The battery is a consumable part and will be reimbursed after hundreds of uses. Therefore, we must pay attention to maintenance and maintenance when using the notebook battery. Activation must be done when you use a new battery. The so-called activation is to fully charge and discharge the battery. Many people say that activation should be carried out 3 to 5 times. In fact, according to many experiments, it only takes 2 or 3 times, because many batteries can reach 98.6% of the rated capacity after the first full charge. The second time is generally It is possible to fully reach the rated capacity. Others said that the activation of the charge should be charged for 12 hours, in fact, it is not quite correct, because when the control circuit thinks that the battery is fully charged, the battery is terminated by the circuit, and the battery is also connected to the power supply. It doesn’t make sense, but if you like to charge for 12 hours, you will know it. In addition, when your battery performance drops significantly, it can be fully charged and discharged several times, and the performance of the battery will be improved. The correct full charge and discharge method is to first turn off the power saving option in Bios, then select all of the Windows “power usage scheme” as “never”, remove all hooks in the “alarm” option, when the power is left Restart the computer at about 5%, press the Pause button on the screen to display the self-test information, then turn off the screen to discharge the battery under low current until it is automatically turned off and recharged. A full charge is completed. To extend battery life, you should pay attention to energy saving in daily use after battery activation. You can select “Maximum Battery Life” in the Bios power option, and you can turn off some devices you did.

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Don’t use your phone’s power and then recharge it. Nowadays, smart phones use lithium-ion polymer batteries, which have no so-called “memory effect” in nickel-cadmium batteries, so there is no need to run out of batteries and recharge them. If the lithium battery is in a low voltage state for a long time, it may cause charging failure. So when the phone’s power drops to less than 20%, it should be charged. If it is a mobile phone that is not used for a long time, try to keep it in a full state and charge it for a while.

Do not continue charging for a long time after the phone is fully charged Many small partners like to charge while sleeping, and then unplug the charger the next day. In this way, the phone will automatically stop charging after the battery is fully charged. However, during the charging process, the battery is overheated, and even the burning takes place during charging. We should try to avoid charging the phone for a long time without being guarded.

Don’t play mobile while charging Nowadays, the computing power of smart phones is very powerful. Nowadays, the power to play games with mobile phones is even greater. However, due to the limitation of the internal space of mobile phones, it is impossible to install cooling devices such as fans. Even if the copper pipes are cooled, they may not be as thorough as PCs. Therefore, we should try to avoid overheating in the process of using the smartphone. If you play mobile games at this time, the heat generated by the battery and the processor will be superimposed.

Do not charge your phone on the sofa/bed Fever is the culprit that shortens the battery life of mobile phones, and the phone can only self-heat. If you charge on the sofa or bed, it will cause the heat of the fuselage to accumulate, causing local overheating. In addition, the sofa, bed sheets and cotton wool are all flammable. If there is an accident at this time, the possibility of fire will be very high.

Do not use a non-original charger or charging cable Whether it’s an Apple phone or an Android phone, the original chargers are standard USB ports and have built-in protection chips. If a third-party nameless charger is used, in order to save costs and produce some chargers without a protection chip, some small accessory manufacturers may have the risk of power instability or excessive current, which may cause damage to the smartphone .

Do not use the computer USB interface to charge your phone Some people like me for the convenience of the picture, use the computer’s USB interface to charge the phone. However, the USB interface current of many computers is less than 500mA, and the process of charging the mobile phone will be very long. What’s more, the power supply mechanism of some computer motherboards is not perfect. If a variety of USB devices are connected or plugged in at the same time, the output current of the USB interface will be unstable, which is not conducive to the long-term use of the smart phone battery.

Don’t use the charging treasure to charge your phone for a long time. Although many charging treasures can provide high current charging of more than 1A or even 2.1A, charging treasure is not a power supply after all, and cannot guarantee continuous output of voltage/current. In addition, the charging treasure itself will generate a certain amount of heat when charging the mobile phone, so it is not recommended to use the charging treasure for charging the mobile phone for a long time, and it can only be used as an emergency.

Don’t use your phone for a long time if it is too cold Lithium batteries are not only afraid of heat, but also cold. In a cold environment, the activity of lithium battery and the lithium intercalation activity of the negative active material will be affected, and the battery capacity will decrease and the rate performance will decrease. When used at lower temperature conditions, lithium dendrites are formed on the surface of the negative electrode in severe cases, piercing the diaphragm and causing a safety accident.

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Don’t use your phone’s power and then recharge it. Nowadays, smart phones use lithium-ion polymer batteries, which have no so-called “memory effect” in nickel-cadmium batteries, so there is no need to run out of batteries and recharge them. If the lithium battery is in a low voltage state for a long time, it may cause charging failure. So when the phone’s power drops to less than 20%, it should be charged. If it is a mobile phone that is not used for a long time, try to keep it in a full state and charge it for a while.

Do not continue charging for a long time after the phone is fully charged Many small partners like to charge while sleeping, and then unplug the charger the next day. In this way, the phone will automatically stop charging after the battery is fully charged. However, during the charging process, the battery is overheated, and even the burning takes place during charging. We should try to avoid charging the phone for a long time without being guarded.

Don’t play mobile while charging Nowadays, the computing power of smart phones is very powerful. Nowadays, the power to play games with mobile phones is even greater. However, due to the limitation of the internal space of mobile phones, it is impossible to install cooling devices such as fans. Even if the copper pipes are cooled, they may not be as thorough as PCs. Therefore, we should try to avoid overheating in the process of using the smartphone. If you play mobile games at this time, the heat generated by the battery and the processor will be superimposed.

Do not charge your phone on the sofa/bed Fever is the culprit that shortens the battery life of mobile phones, and the phone can only self-heat. If you charge on the sofa or bed, it will cause the heat of the fuselage to accumulate, causing local overheating. In addition, the sofa, bed sheets and cotton wool are all flammable. If there is an accident at this time, the possibility of fire will be very high.

Do not use a non-original charger or charging cable Whether it’s an Apple phone or an Android phone, the original chargers are standard USB ports and have built-in protection chips. If a third-party nameless charger is used, in order to save costs and produce some chargers without a protection chip, some small accessory manufacturers may have the risk of power instability or excessive current, which may cause damage to the smartphone .

Do not use the computer USB interface to charge your phone Some people like me for the convenience of the picture, use the computer’s USB interface to charge the phone. However, the USB interface current of many computers is less than 500mA, and the process of charging the mobile phone will be very long. What’s more, the power supply mechanism of some computer motherboards is not perfect. If a variety of USB devices are connected or plugged in at the same time, the output current of the USB interface will be unstable, which is not conducive to the long-term use of the smart phone battery.

Don’t use the charging treasure to charge your phone for a long time. Although many charging treasures can provide high current charging of more than 1A or even 2.1A, charging treasure is not a power supply after all, and cannot guarantee continuous output of voltage/current. In addition, the charging treasure itself will generate a certain amount of heat when charging the mobile phone, so it is not recommended to use the charging treasure for charging the mobile phone for a long time, and it can only be used as an emergency.

Don’t use your phone for a long time if it is too cold Lithium batteries are not only afraid of heat, but also cold. In a cold environment, the activity of lithium battery and the lithium intercalation activity of the negative active material will be affected, and the battery capacity will decrease and the rate performance will decrease. When used at lower temperature conditions, lithium dendrites are formed on the surface of the negative electrode in severe cases, piercing the diaphragm and causing a safety accident.